Home / 79,342.26-109,488.69-43,531.53

Finding the Fourth Proportional to 79,342.26, 109,488.69 and 43,531.53

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Solution

The fourth proportional to 79,342.26, 109,488.69 and 43,531.53 is: 60,071.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,342.26 : 109,488.69 = 43,531.53 : x
  2. Step 2: Convert to fraction form
    79,342.26/109,488.69 = 43,531.53/x
  3. Step 3: Cross multiply
    79,342.26x = 109,488.69 × 43,531.53
  4. Step 4: Simplify right side
    79,342.26x = 4,766,210,193.40
  5. Step 5: Solve for x
    x = 4,766,210,193.40/79,342.26
  6. Step 6: Final answer
    x = 60,071.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.